| #include <stdio.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <pthread.h> |
| |
| void *thread_function(void *arg); /* Pointer to function executed by each thread */ |
| |
| #define NUM 5 |
| |
| unsigned int args[NUM+1]; |
| |
| int main() { |
| int res; |
| pthread_t threads[NUM]; |
| void *thread_result; |
| long i; |
| |
| for (i = 0; i < NUM; i++) |
| { |
| args[i] = 1; |
| res = pthread_create(&threads[i], |
| NULL, |
| thread_function, |
| (void *) i); |
| } |
| |
| /* schedlock.exp: last thread start. */ |
| args[i] = 1; |
| thread_function ((void *) i); |
| |
| exit(EXIT_SUCCESS); |
| } |
| |
| void *thread_function(void *arg) { |
| int my_number = (long) arg; |
| int *myp = &args[my_number]; |
| |
| /* Don't run forever. Run just short of it :) */ |
| while (*myp > 0) |
| { |
| /* schedlock.exp: main loop. */ |
| (*myp) ++; |
| } |
| |
| pthread_exit(NULL); |
| } |
| |